2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 2003
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "lib/cmdline/popt_common.h"
23 #include "system/iconv.h"
24 #include "system/filesys.h"
25 #include "librpc/rpc/dcerpc_table.h"
27 static const struct dcerpc_interface_call *find_function(
28 const struct dcerpc_interface_table *p,
32 if (isdigit(function[0])) {
33 i = strtol(function, NULL, 0);
36 for (i=0;i<p->num_calls;i++) {
37 if (strcmp(p->calls[i].name, function) == 0) {
41 if (i == p->num_calls) {
42 printf("Function '%s' not found\n", function);
49 static void show_pipes(void)
51 const struct dcerpc_interface_list *l;
52 printf("\nYou must specify a pipe\n");
53 printf("known pipes are:\n");
54 for (l=librpc_dcerpc_pipes();l;l=l->next) {
55 if(l->table->helpstring) {
56 printf("\t%s - %s\n", l->table->name, l->table->helpstring);
58 printf("\t%s\n", l->table->name);
64 static void show_functions(const struct dcerpc_interface_table *p)
67 printf("\nYou must specify a function\n");
68 printf("known functions on '%s' are:\n", p->name);
69 for (i=0;i<p->num_calls;i++) {
70 printf("\t0x%02x (%2d) %s\n", i, i, p->calls[i].name);
75 static char *stdin_load(TALLOC_CTX *mem_ctx, size_t *size)
77 int num_read, total_len = 0;
81 while((num_read = read(STDIN_FILENO, buf, 255)) > 0) {
84 result = (char *) talloc_realloc(
85 mem_ctx, result, char *, total_len + num_read);
87 result = talloc_size(mem_ctx, num_read);
90 memcpy(result + total_len, buf, num_read);
92 total_len += num_read;
101 int main(int argc, const char *argv[])
103 const struct dcerpc_interface_table *p;
104 const struct dcerpc_interface_call *f;
105 const char *pipe_name, *function, *inout, *filename;
109 struct ndr_pull *ndr_pull;
110 struct ndr_print *ndr_print;
117 const char *ctx_filename = NULL;
118 BOOL validate = False;
119 BOOL dumpdata = False;
121 struct poptOption long_options[] = {
122 {"context-file", 'c', POPT_ARG_STRING, &ctx_filename, 0, "In-filename to parse first", "CTX-FILE" },
123 {"validate", 0, POPT_ARG_NONE, &validate, 0, "try to validate the data", NULL },
124 {"dump-data", 0, POPT_ARG_NONE, &dumpdata, 0, "dump the hex data", NULL },
132 pc = poptGetContext("ndrdump", argc, argv, long_options, 0);
134 poptSetOtherOptionHelp(
135 pc, "<pipe|uuid> <function> <inout> [<filename>]");
137 while ((opt = poptGetNextOpt(pc)) != -1) {
140 pipe_name = poptGetArg(pc);
143 poptPrintUsage(pc, stderr, 0);
148 p = idl_iface_by_name(pipe_name);
153 status = GUID_from_string(pipe_name, &uuid);
155 if (NT_STATUS_IS_OK(status)) {
156 p = idl_iface_by_uuid(&uuid);
160 printf("Unknown pipe or UUID '%s'\n", pipe_name);
165 function = poptGetArg(pc);
166 inout = poptGetArg(pc);
167 filename = poptGetArg(pc);
169 if (!function || !inout) {
170 poptPrintUsage(pc, stderr, 0);
175 if (strcmp(inout, "in") == 0 ||
176 strcmp(inout, "request") == 0) {
178 } else if (strcmp(inout, "out") == 0 ||
179 strcmp(inout, "response") == 0) {
182 printf("Bad inout value '%s'\n", inout);
186 f = find_function(p, function);
188 mem_ctx = talloc_init("ndrdump");
190 st = talloc_zero_size(mem_ctx, f->struct_size);
192 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
196 v_st = talloc_zero_size(mem_ctx, f->struct_size);
198 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
203 if (flags == NDR_IN) {
204 printf("Context file can only be used for \"out\" packages\n");
208 data = (uint8_t *)file_load(ctx_filename, &size, mem_ctx);
210 perror(ctx_filename);
217 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx);
218 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
220 status = f->ndr_pull(ndr_pull, NDR_IN, st);
222 if (ndr_pull->offset != ndr_pull->data_size) {
223 printf("WARNING! %d unread bytes while parsing context file\n", ndr_pull->data_size - ndr_pull->offset);
226 if (!NT_STATUS_IS_OK(status)) {
227 printf("pull for context file returned %s\n", nt_errstr(status));
230 memcpy(v_st, st, f->struct_size);
234 data = (uint8_t *)file_load(filename, &size, mem_ctx);
236 data = (uint8_t *)stdin_load(mem_ctx, &size);
249 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx);
250 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
252 status = f->ndr_pull(ndr_pull, flags, st);
254 printf("pull returned %s\n", nt_errstr(status));
256 if (ndr_pull->offset != ndr_pull->data_size) {
257 printf("WARNING! %d unread bytes\n", ndr_pull->data_size - ndr_pull->offset);
258 dump_data(0, ndr_pull->data+ndr_pull->offset, ndr_pull->data_size - ndr_pull->offset);
262 printf("%d bytes consumed\n", ndr_pull->offset);
263 dump_data(0, blob.data, blob.length);
266 ndr_print = talloc_zero(mem_ctx, struct ndr_print);
267 ndr_print->print = ndr_print_debug_helper;
268 ndr_print->depth = 1;
269 f->ndr_print(ndr_print, function, flags, st);
271 if (!NT_STATUS_IS_OK(status)) {
272 printf("dump FAILED\n");
278 struct ndr_push *ndr_v_push;
279 struct ndr_pull *ndr_v_pull;
280 struct ndr_print *ndr_v_print;
282 ndr_v_push = ndr_push_init_ctx(mem_ctx);
284 status = f->ndr_push(ndr_v_push, flags, st);
285 if (!NT_STATUS_IS_OK(status)) {
286 printf("validate push FAILED\n");
290 v_blob = ndr_push_blob(ndr_v_push);
293 printf("%ld bytes generated (validate)\n", (long)v_blob.length);
294 dump_data(0, v_blob.data, v_blob.length);
297 ndr_v_pull = ndr_pull_init_blob(&v_blob, mem_ctx);
298 ndr_v_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
300 status = f->ndr_pull(ndr_v_pull, flags, v_st);
301 if (!NT_STATUS_IS_OK(status)) {
302 printf("validate pull FAILED\n");
306 printf("pull returned %s\n", nt_errstr(status));
308 if (ndr_v_pull->offset != ndr_v_pull->data_size) {
309 printf("WARNING! %d unread bytes in validation\n", ndr_v_pull->data_size - ndr_v_pull->offset);
310 dump_data(0, ndr_v_pull->data+ndr_v_pull->offset, ndr_v_pull->data_size - ndr_v_pull->offset);
313 ndr_v_print = talloc_zero(mem_ctx, struct ndr_print);
314 ndr_v_print->print = ndr_print_debug_helper;
315 ndr_v_print->depth = 1;
316 f->ndr_print(ndr_v_print, function, flags, v_st);
318 if (blob.length != v_blob.length) {
319 printf("WARNING! orig bytes:%ld validated pushed bytes:%ld\n", (long)blob.length, (long)v_blob.length);
322 if (ndr_pull->offset != ndr_v_pull->offset) {
323 printf("WARNING! orig pulled bytes:%d validated pulled bytes:%d\n", ndr_pull->offset, ndr_v_pull->offset);
329 talloc_free(mem_ctx);